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Finding the Fourth Proportional to 10,752.80, 14,844.72 and 6,504.56

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Solution

The fourth proportional to 10,752.80, 14,844.72 and 6,504.56 is: 8,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752.80 : 14,844.72 = 6,504.56 : x
  2. Step 2: Convert to fraction form
    10,752.80/14,844.72 = 6,504.56/x
  3. Step 3: Cross multiply
    10,752.80x = 14,844.72 × 6,504.56
  4. Step 4: Simplify right side
    10,752.80x = 96,558,371.92
  5. Step 5: Solve for x
    x = 96,558,371.92/10,752.80
  6. Step 6: Final answer
    x = 8,979.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.